【摘要】 首先详细地介绍了几种传统时序电路的实现方法与各自存在的优缺点 ,然后对 isp L SI器件的性能特点以及 TDI- CCD相机的组成结构、工作原理进行了简要地阐述 ,最后对采用 isp L SI器件实现 CCD相机时序电路的全过程进行了全面、细致地分析。本文结合实际课题 ,已由在线可编程大规模逻辑器件实现了高速 TDI- CCD相机的时序电路。此相机系统具有一些重要参数 (行周期、TDI级数、视频信号的增益、偏置参数 ) ,并可以灵活控制。同时该系统又具有高可靠性、高稳定性、低功耗等特点。更多还原

【Abstract】 Several schemes for previous design of CCD timing circuit are discussed in detail ,as well their advantages and disadvantages are analyzed at first in this paper And then the performances of ispLSI and the operating principle of TDI CCD camera are presented briefly The whole processes implementing timing controller and timing generator by ispLSI devices are discussed seriously This new technique has been successfully used our high speed TDI CCD camera system with some important parameters including of the intelligent time、TDI stages、system gain and offset adjusting freely, moreover, the CCD camera’s high reliability、stability、low power lost are achieved更多还原